common el

2. Solid wire
Stranded wire

3. Electrochemical cell

4. batteries

5. solar cell
solar panel

6. switches

7. knife switch

8. toggle switch

9. push button switch

10. quick connects & quick disconnects

11. RCA or phono jack RCA or phono plug

12. phone plug

13. UHF coax (coaxial) connector

14. BNC coax (coaxial) connector

15. fuse

16. bulbs or incandescent light bulbs

17. resistors

18. 1 Watt resistor
½ Watt resistor
¼ Watt resistor

19. potentiometers or pots

20. potentiometers or pots

21. photoresistor

22. capacitors

23. electrolytic capacitors

24. disc capacitors or discaps

25. coils or inductors

26. transformers

27. motors

28. speaker

29. microphone

30. tubes or vacuum tubes

31. crystal

32. diodes

33. LED or light emitting diode

34. transistors

35. integrated circuits or ICs or chips

36. IC socket